DNA Marker Index information for Chromosome: Y Marker: BY20023.1Names and Aliases for this DNA Marker: BY20023.1, BY20023, rs976569393.Chromosome Position in hg38 Human Genome assembly1: 8016047.Chromosome Position in hg19 assembly2: 7884088 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.